Lexus ES300 (2002 year). Service manual — part 28

214

Wiper and Washer (w/ Auto Wiper System)

25A
WIPER

From Power Source System (See Page 56)

2F

5

2A

11

M

Front Wiper Motor

F 7

ED

W–

B

5

4

1

2

3

+2

+1

B

S

L

E

L–

O

B–

R

G–

B

IF6

4

IF6

10

IF6

3

D

D

A

D

A

IE1

5

IE1

13

IE1

4

IE1

12

IA

Rain Sensor

R10

J

unc

ti

on C

onne

ct

or

J 2

4

2

16

6

17

11

1

20

12

9

3

1

2

+SM

SPD

SIG

PA1

ES

19

17

7

8

4

14

W

L–

Y

L–

O

L–

O

L–

B

LL

G–

B

LG

P–

B

V

LG

P–

B

V

W–

B

W

–

B

L

L

+1

IG

+2S

+2

C1

CO

B–R

L–O

L

B–

R

L–

O

WIP

SIG

AUTO

Wiper Relay

W 5

Combination SW

C 9

W–B

A

OFF

AUTO

LO

HI

+B

+2

+1

+S

AUTO

E

+B

+2

+1

+S

AUTO

E

O

10

16

+SSW

Wiper SW

215

C

C

C

IB

A

15A
WASHER

From Power Source System (See Page 56)

2F

6

M

1

2

IF6

9

Junction
Connector

J 2

Washer
Motor

W 2

8

E

13

18

5

15

3

2

11

P

L–

W

P

PP

W–

B

LG

–R

GR

–

R

W–

B

W–

B

VR1

VR2

W

P

Junction
Connector

J 4

Wiper Relay

W 5

Combination SW

C 9

A

W–B

Off

On

EW

WF

VR1

VR2

EW

WF

Washer SW

216

Wiper and Washer (w/ Auto Wiper System)

Auto Wiper Operation

When the wiper SW is placed to AUTO position, the rain sensor detects the amount of rain on the front windshield, and a
signal is output to the wiper controller. The wiper controller automatically controls the intermittent time and operates the
wiper, in accordance with the signal.

W5 Wiper Relay

13–Ground : Always continuity

1–Ground : Approx. 12 volts with the ignition SW at ON or ST position

F7 Front Wiper Motor

2–3 : Closed unless the front wiper motor at STOP position

: Parts Location

Code

See Page

Code

See Page

Code

See Page

C9

38

J4

39

W5

39

F7

36

R10

41

J2

39

W2

37

: Junction Block and Wire Harness Connector

Code

See Page

Junction Block and Wire Harness (Connector Location)

2A

28

Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)

2F

28

Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)

: Connector Joining Wire Harness and Wire Harness

Code

See Page

Joining Wire Harness and Wire Harness (Connector Location)

IE1

46

Instrument Panel Wire and Roof Wire (Lower Part of Front Pillar LH)

IF6

46

Engine Room Main Wire and Instrument Panel Wire (Right Side of Steering Column Tube)

: Ground Points

Code

See Page

Ground Points Location

ED

44

Left Fender

IA

46

Instrument Panel Reinforcement LH

IB

46

Instrument Panel Brace LH

System Outline

Service Hints

218

Wiper and Washer (w/o Auto Wiper System)

M

IB

2F

6

OF

F

IN

T

LO

HI

15A
WASHER

11

16

2

8

7

17

W–

B

Front Wiper Motor

F 7

P

ED

W–

B

Off

On

WF

EW

Wiper SW

Washer SW

5

4

1

2

3

Combination SW

C 9

L–

W

L

L–O

L–B

L–Y

+2

+1

B

S

L

WF

EW

+1

+2

+B

E

Washer
Motor

W 2

W–

B

M

1

2

25A
WIPER

From Power Source System (See Page 56)

2A

11

2F

5

L

L

IF6

9

P

IF6

3

IF6

10

IF6

4

L–

O

L–

B

L–

Y

IA

W–B

A

A

Junction
Connector

J 4

+S